Finding the Fourth Proportional to 13,696.62, 18,901.33 and 7,409.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,696.62 : 18,901.33 = 7,409.00 : x
2. Step 2: Convert to fraction form
   13,696.62/18,901.33 = 7,409.00/x
3. Step 3: Cross multiply
   13,696.62x = 18,901.33 × 7,409.00
4. Step 4: Simplify right side
   13,696.62x = 140,039,840.94
5. Step 5: Solve for x
   x = 140,039,840.94/13,696.62
6. Step 6: Final answer
   x = 10,224.41